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The real catalog of tools for AI agents

Google tells you what exists. Faceabot tells you what holds up.

44,737real tools
29,284callable over HTTPS
19,874measured
6,054proven reliable
AgentKit x402 MCP server Reliable (measured) · 100% over 3 checks Does the job (tested) · 3/3

Remote MCP tools for pay-per-call email, domain, SEO and Swedish data utilities (x402).

MCP endpoint : https://agentkit-x402.zenith-ops.workers.dev/mcp · website · measurements and details
ExchangeRebel — pay-per-call APIs for AI agents (x402 on Solana) Reliable (measured) · 100% over 16 checks

76 pay-per-call APIs for AI agents: market, company, weather and dev tools, paid via x402 on Solana.

MCP endpoint : https://exchangerebel.com/mcp · website · measurements and details
Agent Harbor pay-per-call tools Reliable (measured) · 100% over 5 checks Fails real tasks · 0/5

Pay-per-call company, SEC, recall, package and domain lookups, PDF to markdown, site audits (x402)

MCP endpoint : https://x402.agentharbor.agency/mcp · website · measurements and details
AgentKit x402 - pay-per-call tools for agents Flaky · 86% over 7 checks Does the job (tested) · 6/6

Email, DNS, SPF/DMARC, site contacts, Markdown, IBAN, Swedish validators. Pay per call (x402).

MCP endpoint : https://agentkit-x402.erikssonanton2001.workers.dev/mcp · website · measurements and details
Agent402.Tools: pay-per-call web tools Reliable (measured) · 100% over 41 checks Fails real tasks · 0/41

Agentic Finance: 500+ agent tools, multi-chain USDC over x402 or MPP, or free via proof-of-work

MCP endpoint : https://agent402.tools/mcp · website · measurements and details
AgentPay — Pay-per-call AI Microservices Flaky · 83% over 6 checks

34 pay-per-call AI microservices via x402, USDC on Base, no API keys.

MCP endpoint : https://agentpay.help/mcp · website · measurements and details
x402 Text Tools Catalog Being measured · 0% over 1 checks

Pay-per-call NLP & embeddings APIs on Base via x402. No keys/signup; agents pay per call in USDC.

MCP endpoint : https://heiekc-ip-209-115-177-214.tunnelmole.net/mcp · website · measurements and details
Saylor Innovations: pay-per-call data Flaky · 96% over 24 checks Does the job (tested) · 23/23

271 x402 agent APIs: research, law, medicine, science, finance, public data, security and crypto.

MCP endpoint : https://saylorinnovations.com/mcp · website · measurements and details
x402 Text Tools Catalog Being measured · 0% over 1 checks

Pay-per-call NLP & embeddings APIs on Base via x402. No keys/signup; agents pay per call in USDC.

MCP endpoint : https://imkl13-ip-209-115-177-214.tunnelmole.net/mcp · website · measurements and details
IBM Granite via x402 Not measured yet

x402 pay-per-use IBM Granite AI: chat, code, embeddings, analysis, forecasting. Pay USDC per call.

Package npm : @three-ws/ibm-x402-mcp · website · measurements and details
HubVibe: Pay-per-Call Agent Tools: Web Search, Email Verify, KYC Screening, Stocks, Crypto, News Flaky · 75% over 4 checks Fails real tasks · 0/3

70+ pay-per-call tools for AI agents: web search, email verify, KYC, stocks, crypto, news, data

MCP endpoint : https://hubvibe-io.com/mcp · website · measurements and details
x402-snap Being measured · 50% over 2 checks

Pay-per-call browser rendering and x402 marketplace ranking for AI agents, billed via USDC.

MCP endpoint : https://x402-snap.zaden-gaming.workers.dev/mcp · measurements and details
Brasil Data (pay-per-call via x402) Flaky · 89% over 9 checks

Brazil CNPJ, CEP, Selic/IPCA/PTAX, holidays, banks/ISPB for agents. Pay per call in USDC (x402).

MCP endpoint : https://brasil-data-x402.wagner-proc.workers.dev/mcp · website · measurements and details
x402-market Not measured yet

Let AI agents pay-per-call for any HTTP API via x402 on Base mainnet. One tool: pay_and_call.

Package npm : @x402-market/mcp-server · website · measurements and details
Genesis402 by UnyKorn (x402 pay-per-call) Being measured · 50% over 2 checks Real task being tested · 0/1

Counterparty checks, sanctions screening, company lookup and 360+ pay-per-call APIs over x402.

MCP endpoint : https://twin.unykorn.org/mcp · website · measurements and details
call402 — x402 Agent Services Being measured · 100% over 2 checks

x402 pay-per-call APIs for agents: web search, wallet/token checks, text structuring.

MCP endpoint : https://call402.com/mcp · website · measurements and details
GLM 5.3 Inference (x402 paid) Being measured · 0% over 1 checks

Pay-per-call GLM 5.3 MCP tool via x402 on Base. Reasoning, tool-calls, OpenAI-compatible.

MCP endpoint : https://cursor.tail45da3a.ts.net/mcp · measurements and details
x402-gateway Private (key required)

Pay-per-call x402 services for agents: risk scoring, DeFi, wallet and market data.

MCP endpoint : https://api.gentechlabs.net/mcp · website · measurements and details
mercury-x402-mcp Reliable (measured) · 100% over 18 checks

Agent-payable web data over x402: 18 keyless services an agent pays per call.

MCP endpoint : https://network.mercury-hq.com/mcp · website · measurements and details
Agent Services (x402): compliance, company, procurement Being measured · 50% over 2 checks Real task being tested · 1/1

27 pay-per-call agent tools (KYB, VAT, sanctions, tenders, data). Pays via x402; holds no funds.

MCP endpoint : https://agent-services-mcp-production.up.railway.app/mcp · website · measurements and details

AI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt

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